Home / 152,734.40-229,123.20-47,542.40

Finding the Fourth Proportional to 152,734.40, 229,123.20 and 47,542.40

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Solution

The fourth proportional to 152,734.40, 229,123.20 and 47,542.40 is: 71,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,734.40 : 229,123.20 = 47,542.40 : x
  2. Step 2: Convert to fraction form
    152,734.40/229,123.20 = 47,542.40/x
  3. Step 3: Cross multiply
    152,734.40x = 229,123.20 × 47,542.40
  4. Step 4: Simplify right side
    152,734.40x = 10,893,066,823.68
  5. Step 5: Solve for x
    x = 10,893,066,823.68/152,734.40
  6. Step 6: Final answer
    x = 71,320.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.